Biogenic methane emissions likely make these a non-option at scale. http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0161947 http://journals.pl

Biogenic methane emissions likely make these a non-option at scale. http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0161947 http://journals.plos.org/plosone/article?id=10.1371/journal....